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DOCX Input: Fix incorrect numbering being generated for numbered lists in some circumstances. Fixes #1301044 [DOCX conversion of numbered list](https://bugs.launchpad.net/calibre/+bug/1301044)

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Apparently, list counters are associated with abstract numbering
definitions and not numbering instances. Also add support for
startOverride.
This commit is contained in:
Kovid Goyal 2014-04-03 23:41:40 +05:30
parent 05cac89d8d
commit 664fe0aba7
1 changed files with 31 additions and 8 deletions
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39
src/calibre/ebooks/docx/numbering.py
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@ -7,7 +7,7 @@ __license__ = 'GPL v3'
__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
import re
from collections import Counter
from collections import Counter, defaultdict
from lxml.html.builder import OL, UL, SPAN
@ -135,8 +135,9 @@ class Level(object):
class NumberingDefinition(object):
def __init__(self, parent=None):
def __init__(self, parent=None, an_id=None):
self.levels = {}
self.abstract_numbering_definition_id = an_id
if parent is not None:
for lvl in XPath('./w:lvl')(parent):
try:
@ -146,7 +147,7 @@ class NumberingDefinition(object):
self.levels[ilvl] = Level(lvl)
def copy(self):
ans = NumberingDefinition()
ans = NumberingDefinition(an_id=self.abstract_numbering_definition_id)
for l, lvl in self.levels.iteritems():
ans.levels[l] = lvl.copy()
return ans
@ -156,7 +157,8 @@ class Numbering(object):
def __init__(self):
self.definitions = {}
self.instances = {}
self.counters = {}
self.counters = defaultdict(Counter)
self.starts = {}
self.pic_map = {}
def __call__(self, root, styles, rid_map):
@ -174,13 +176,24 @@ class Numbering(object):
if nsl:
lazy_load[an_id] = get(nsl[0], 'w:val')
else:
nd = NumberingDefinition(an)
nd = NumberingDefinition(an, an_id=an_id)
self.definitions[an_id] = nd
def create_instance(n, definition):
nd = definition.copy()
start_overrides = {}
for lo in XPath('./w:lvlOverride')(n):
ilvl = get(lo, 'w:ilvl')
try:
ilvl = int(get(lo, 'w:ilvl'))
except (ValueError, TypeError):
ilvl = None
for so in XPath('./w:startOverride[@w:val]')(lo):
try:
start_override = int(get(so, 'w:val'))
except (TypeError, ValueError):
pass
else:
start_overrides[ilvl] = start_override
for lvl in XPath('./w:lvl')(lo)[:1]:
nilvl = get(lvl, 'w:ilvl')
ilvl = nilvl if ilvl is None else ilvl
@ -188,6 +201,11 @@ class Numbering(object):
if alvl is None:
alvl = Level()
alvl.read_from_xml(lvl, override=True)
for ilvl, so in start_overrides.iteritems():
try:
nd.levels[ilvl].start = start_override
except KeyError:
pass
return nd
next_pass = {}
@ -213,7 +231,7 @@ class Numbering(object):
self.instances[num_id] = create_instance(n, d)
for num_id, d in self.instances.iteritems():
self.counters[num_id] = Counter({lvl:d.levels[lvl].start for lvl in d.levels})
self.starts[num_id] = {lvl:d.levels[lvl].start for lvl in d.levels}
def get_pstyle(self, num_id, style_id):
d = self.instances.get(num_id, None)
@ -236,12 +254,17 @@ class Numbering(object):
counter[ilvl] = lvl.start
def apply_markup(self, items, body, styles, object_map, images):
seen_instances = set()
for p, num_id, ilvl in items:
d = self.instances.get(num_id, None)
if d is not None:
lvl = d.levels.get(ilvl, None)
if lvl is not None:
counter = self.counters[num_id]
an_id = d.abstract_numbering_definition_id
counter = self.counters[an_id]
if ilvl not in counter or num_id not in seen_instances:
counter[ilvl] = self.starts[num_id][ilvl]
seen_instances.add(num_id)
p.tag = 'li'
p.set('value', '%s' % counter[ilvl])
p.set('list-lvl', str(ilvl))